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Finding the Fourth Proportional to 57,429.33, 79,248.51 and 31,933.68

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Solution

The fourth proportional to 57,429.33, 79,248.51 and 31,933.68 is: 44,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,429.33 : 79,248.51 = 31,933.68 : x
  2. Step 2: Convert to fraction form
    57,429.33/79,248.51 = 31,933.68/x
  3. Step 3: Cross multiply
    57,429.33x = 79,248.51 × 31,933.68
  4. Step 4: Simplify right side
    57,429.33x = 2,530,696,558.82
  5. Step 5: Solve for x
    x = 2,530,696,558.82/57,429.33
  6. Step 6: Final answer
    x = 44,066.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.